Gendenahalli is a village in Pennagaram tehsil in district of Dharmapuri, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Gendenahalli was 5,697 which includes 3,052 males and 2,645 females. Gendenahalli covers 2387.09 ha area. Pincode of Gendenahalli is 636811.